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55k

55k55k
  1. The noise temperature at the frequency of 1.43 GHz is about 55K at room temperature . The gain is 13 dB with a bandwidth of about 300 MHz .

    其室温下的噪声温度约55°K,带宽约300MHz,单级增益为13dB。

  2. A new radiative cooler which can reduce the noise level in night is introduced . When the oil temperature reaches 55K , the winding average temperature rise will exceed 65k due to the response speed of heat transfer .

    介绍了能降低夜间运行噪声水平的新型散热冷却器,分析了当变压器顶层油温升达55K时,由于热传递响应速度的原因,此时绕组平均温升可能已超过65K。